Cap it.

The Assos S7 fuguCap is Assos' heavy-duty winter headgear. They rate it as part of climaRange Winter Plus, meaning Assos designers deem it appropriate for temperatures from -6 to 6 degrees Celsius (21 to 43 degrees Fahrenheit). Your experience may vary. It is similar to Assos' roboCap in how the skull casing is shaped with earflaps that drop down, rather than having your ears exposed like a standard beanie.

The fuguCap distinguishes itself due to all the fabrics that go into making it warm. The front of the cap has stratagonUltra wrapping around the forehead on the outside with RXQ fleece underneath. StratagonUltra is Assos' flexible membrane fabric. It is wind and water-proof at all times, but as it senses warmth from the inside, the pores in the membrane open up allowing sweat vapor to escape. This keeps your head nice and toasty on the coldest days without overheating easily.

The rest of the cap is made with the RXQ fleece that is warm, light, thin, stretchy, and wicks very well. The Assos fuguCap comes in White. There are three sizes 0, I, and II.

Comment on Jonny Heinken's review:

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Great winter cap

Familiarity: I've put it through the wringer

Fit: True to size

Though thin, this cap is amazing at keeping your head warm and dry. The ear flaps are great but can (if it gets warm) be flipped up. I use this whenever the weather is below about 45F. When it gets particularly cold (25F and below) I use this cap and then a full Assos face mask. I am bald and this hat works. I have a large head and the XL size fits find. Some reviews mention the Assos logo on the front being a sore spot. They must have changed the design because you can not feel the logo at all.

Comment on LD in CT's review:

Exactly as advertised

Familiarity: I've used it several times

Fit: True to size

This cap is for cold weather riding. I've worn it several times in temperatures ranging from 25F to 38F and found it comfortable and warm. The windproof front panel extends around to cover your ears. It's thin enough to fit under a helmet and the loops for eyeglass arms are a great feature.

Comment on James R.'s comment:

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Beats other hats I've tried

Familiarity: I've used it several times

Fit: Runs small

Size Bought: II

I'm loving this hat so far. Definitely warmer than the robocap, especially around your ears. Very comfortable and tight without being annoyingly tight. Super soft on your ears. I am right on the borderline between size I & II with a 58cm head, but size I was way too small.